28108209

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 38541312

約数和(自身を除く): 10433103

約数列:

[1, 3, 47, 141, 163, 489, 1223, 3669, 7661, 22983, 57481, 172443, 199349, 598047, 9369403, 28108209]

約数ペア:

[(1, 28108209), (3, 9369403), (47, 598047), (141, 199349), (163, 172443), (489, 57481), (1223, 22983), (3669, 7661)]